National Weather Service United States Department of Commerce
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Last Map Update: Wed, May 20, 2026 at 6:06:27 am CDT

Current radar loop for Houston, TX.
Showers and thunderstorms expected tonight into Wednesday morning. Locally heavy rainfall of 1-3 inches is expected and localized flooding is possible.
Scattered thunderstorms possible north of I-10 this afternoon. Line of thunderstorms to push through the region from north to south overnight into early Wednesday morning. Some uncertainty regarding if the storms will weaken or not before reaching the coast. Damaging winds are the main severe threat. Hail will also be possible.
Unsettled pattern will lead to continued high chances for showers and thunderstorms, with additional rounds of moderate to heavy rainfall starting Thursday. This rainfall will generate runoff and river responses, especially where we see repeated heavy rainfall over the same locations.
After last night's / early this morning's thunderstorms, expect just widely scattered shower activity today. Additional rounds of heavy showers and thunderstorms possible on Thursday through the weekend. Widespread additional totals through Saturday in the 1-3 inch range expected. However, totals may be locally higher.
There is a high risk of rip currents along all Gulf facing beaches through Wednesday evening. Stay away from rocks and swim near a life guard.



 Current Weather Observations...
Location Time
(CDT)
Weather Vsby.
(SM)
Temp.
(ºF)
Dewpt.
(ºF)
Hum.
(%)
Wind
(mph)
Wind Chill / Heat Index
(ºF)
Pres.
(in)
Crockett01:35Rain \ Mist \ Lightning Observed36666100CALM-30.09
Caldwell05:35Lightning Observed10686282ESE 6G20-29.93
College Station04:53Clear10676696SSW 13-29.97
Huntsville04:53Clear10666493SE 6-29.98
Navasota05:35Overcast106767100SW 14-29.99
Conroe04:53Mostly Clear10676593WSW 5-29.97
Hooks Airport04:53Rain \ Mist \ Lightning Observed3676696WSW 12G22-30.02
Intercontinental Airport04:53Light Rain7676593SE 8-29.99
Houston Hobby Airport04:53Light Rain With Thunder \ Cumulonimbus Clouds, Lightning Observed8686693CALM-29.99
Sugar Land04:53Rain \ Mist \ Lightning Observed6696792VRB 3-30.03
Wharton01:10Light Rain5686693N 17G24-30.08
Pearland05:16Rain \ Mist \ Lightning Observed4676696CALM-30.02
Ellington Field04:54Light Rain With Thunder \ Cumulonimbus Clouds Observed86868100ESE 5-29.99
La Porte05:35Light Rain \ Mist \ Lightning Observed5686796NW 5-30.00
Angleton/Lake Jackson05:33Thunder \ Mist \ Lightning Observed1686796N 9-30.00
Galveston05:25Light Rain \ Lightning Observed10727093NNE 10-29.99
Bay City05:35Heavy Rain \ Mist \ Thunder In The Vicinity1 1/46969100NNE 13-29.98
Palacios05:37Thunder In The Vicinity \ Rain \ Mist \ Lightning Observed5686796NNW 16G28-30.02
Rig 20 Miles SE of Galveston05:35Overcast8757394ESE 23-29.99
Rig 20 Miles SE of Matagorda05:40Fogless than 1/47171100N 25G32-29.99


 
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